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runsc/container: ignore cgroup EBUSY errors in rootless mode #8112

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runsc/container: ignore cgroup EBUSY errors in rootless mode #8112

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5 changes: 4 additions & 1 deletion runsc/container/container.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1365,7 +1365,10 @@ func (c *Container) donateGoferProfileFDs(conf *config.Config, donations *donati
func cgroupInstall(conf *config.Config, cg cgroup.Cgroup, res *specs.LinuxResources) (cgroup.Cgroup, error) {
if err := cg.Install(res); err != nil {
switch {
case (errors.Is(err, unix.EACCES) || errors.Is(err, unix.EROFS)) && conf.Rootless:
// TODO(gvisor.dev/issue/8111): EBUSY may occur in standard or
// rootless mode. We can ignore it in rootless mode since we
// don't require cgroups.
case (errors.Is(err, unix.EACCES) || errors.Is(err, unix.EROFS) || errors.Is(err, unix.EBUSY)) && conf.Rootless:
log.Warningf("Skipping cgroup configuration in rootless mode: %v", err)
return nil, nil
default:
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